File name: Pandora183s1_LondonderryNH_20231020_L2Fit_fout2c1d20210421p1-8.txt File generation date: 20231023T134108.6Z Data description: Level 2 spectral fitting results file Data file version: fout2c1p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 183 Spectrometer number: 1 Processing software version used: BlickP v1.8.49 Instrument operation file used: Pandora183_OF_v3d20201222.txt Instrument calibration file used: Pandora183s1_CF_v1d20210421.txt Level 1 file used: Pandora183s1_LondonderryNH_20231020_L1_smca1c1d20210421p1-8.txt Full location name: MOOSEHILL SCHOOL - Londonderry NH Short location name: LondonderryNH Country of location: United States Location latitude [deg]: 42.8625 Location longitude [deg]: -71.3801 Location altitude [m]: 108 Local noon date: 20231020 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 197 339 Nominal wavelengths inside fitting window [nm]: 305.0158 305.1571 305.2983 305.4395 305.5807 305.7219 305.8631 306.0043 306.1454 306.2866 306.4277 306.5689 306.7100 306.8511 306.9922 307.1333 307.2743 307.4154 307.5565 307.6975 307.8385 307.9796 308.1206 308.2616 308.4026 308.5435 308.6845 308.8255 308.9664 309.1073 309.2483 309.3892 309.5301 309.6710 309.8119 309.9527 310.0936 310.2344 310.3753 310.5161 310.6569 310.7977 310.9385 311.0793 311.2201 311.3608 311.5016 311.6423 311.7830 311.9237 312.0645 312.2051 312.3458 312.4865 312.6272 312.7678 312.9084 313.0491 313.1897 313.3303 313.4709 313.6115 313.7520 313.8926 314.0332 314.1737 314.3142 314.4547 314.5952 314.7357 314.8762 315.0167 315.1571 315.2976 315.4380 315.5785 315.7189 315.8593 315.9997 316.1401 316.2804 316.4208 316.5611 316.7015 316.8418 316.9821 317.1224 317.2627 317.4030 317.5433 317.6835 317.8238 317.9640 318.1042 318.2444 318.3846 318.5248 318.6650 318.8052 318.9453 319.0855 319.2256 319.3657 319.5058 319.6459 319.7860 319.9261 320.0662 320.2062 320.3463 320.4863 320.6263 320.7663 320.9063 321.0463 321.1863 321.3262 321.4662 321.6061 321.7461 321.8860 322.0259 322.1658 322.3057 322.4455 322.5854 322.7252 322.8651 323.0049 323.1447 323.2845 323.4243 323.5641 323.7039 323.8436 323.9834 324.1231 324.2628 324.4025 324.5422 324.6819 324.8216 324.9612 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Ozone effective temperature [K] Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Sulfur dioxide effective temperature [K] Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 46: Lower limit used for wavelength scaling [nm] Column 47: Upper limit used for wavelength scaling [nm] Column 48: Order of smoothing polynomial Column 49: Smoothing polynomial coefficient, order 0 Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 54: Smoothing polynomial coefficient, order 1 Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 59: Smoothing polynomial coefficient, order 2 Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 64: Smoothing polynomial coefficient, order 3 Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 69: Mean value of measured data inside fitting window [same units as measurements] Column 70: Wavelength change polynomial coefficient, order 0 Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined Column 84: Wavelength effective temperature [°C], 999=no effective temperature given Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 88: Number of bright count cycles Column 89: Number of dark count cycles Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 93: Integration time [ms] Column 94: Temperature at electronics board [°C], 999=no temperature signal Column 95: Spectrometer control temperature [°C], 999=no temperature signal Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 97: Temperature in head sensor [°C], 999=no temperature signal Column 98: Humidity in head sensor [%], -9=no humidity signal Column 99: Pressure in head sensor [hPa], -9=no pressure signal Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SS 20231020T163121.9Z 8693.688448 234 1 49.85 2 53.28 180.31 99.27 121.11 0.00 1 0.00 1 0 17 5.614e-02 1.697e-02 4.944e-02 1.380e-02 2.299875e-01 6.807421e-03 2.791419e-03 -6.000000e+00 3.150947e-02 225.13 -2.00 3.55 -2.00 317.62 0.00e+00 1.439503e-03 1.065927e-03 3.211373e-04 -6.000000e+00 1.397996e-03 281.60 -2.00 20.00 -2.00 316.92 0.00e+00 1.668 0.000 302.00 328.00 3 6.2975e+00 1.7984e-02 2.0207e-02 -6.0000e+00 7.7857e-02 9.8579e-02 2.0359e-02 1.1709e-02 -6.0000e+00 8.4775e-02 5.5410e-03 1.2410e-02 5.8672e-03 -6.0000e+00 5.0582e-02 -1.0667e-02 6.2304e-03 1.8516e-03 -6.0000e+00 2.1513e-02 1.3754e-04 -6.0657e-04 3.9639e-04 1.8276e-05 -6.0000e+00 1.4799e-03 -4.5388e-03 -5.7700e-06 12 8 8 10 0 0 99.84 22.82 1.45 -0.00454 -0.00910 18 4 1 5 0 2767.840 26.41 19.99 22.82 22.62 27.7 996.75 -17695 2940 -15675 5616 1149 35281 -12938 -13211 -5093 21908 -17239 -1377 13834 -6677 6943 1620 4173 -3511 685 -744 7505 33 5643 -788 2948 -1367 -2784 -1781 7927 -11950 13280 8654 -2618 4688 1187 -3720 -6554 98 -2370 3452 2734 -2452 -3489 -1885 3189 478 1084 -2171 -3410 1758 -2180 1912 -1813 3351 901 309 604 428 1708 1992 614 -295 1479 4109 974 -1537 -2375 -3607 199 -641 1174 1026 -612 3505 -624 -609 19 -1294 416 -3823 -2543 1273 -1314 -1398 -250 386 -300 1988 406 1850 -1621 2271 1378 -2860 -1830 -2557 951 -169 3338 -552 -1897 -1967 -1572 -2075 -2983 -1081 -472 2021 -1512 2080 916 1366 924 -766 503 -2516 -1211 1001 -294 1127 1045 2434 -708 496 -91 -1456 -1431 459 86 854 628 517 445 -1833 -965 -71 679 1282 842 937 -1424 443 -2263 -2024 308 -2064 578 109 2171 -1306 -1473 -588 2223 -2570 -173 1618 -1099 1143 314 829 -774 150 -171 1632 8 1233 -191 723 -364 -758 -457 1707 -3006 2904 2135 -781 1367 339 -1051 -2007 32 -954 1545 1364 -1353 -2004 -1080 1731 267 591 -1186 -1832 885 -1183 1066 -1108 2041 580 203 402 285 1100 1262 403 -208 1113 3222 796 -1194 -1694 -2484 137 -502 998 917 -558 2972 -516 -495 14 -882 285 -3045 -2250 1196 -1355 -1505 -283 466 -386 2588 539 2345 -1971 2412 1337 -2754 -1818 -2809 1119 -222 4520 -770 -2511 -2387 -1785 -2427 -3824 -1441 -652 2843 -2305 3247 1521 2287 1493 -1168 690 -3322 -1562 1315 -419 1696 1616 3672 -1072 711 -124 -1913 -1777 558 112 1175 909 766 669 -2917 -1612 -123 1203 2307 1531 1662 -2489 732 -3754 SS 20231020T182207.5Z 8693.765365 308 1 4.49 2 59.10 212.49 84.35 139.14 0.00 1 0.00 1 0 17 2.436e-02 1.052e-02 2.012e-02 7.108e-03 2.529345e-01 3.532774e-03 3.062148e-03 -6.000000e+00 1.367534e-02 225.13 -2.00 3.55 -2.00 316.99 0.00e+00 5.439795e-04 4.703154e-04 2.276656e-04 -6.000000e+00 6.067248e-04 281.60 -2.00 20.00 -2.00 316.28 0.00e+00 1.940 0.000 302.00 328.00 3 4.0062e+00 9.2282e-03 2.3048e-02 -6.0000e+00 3.3790e-02 4.6251e-02 1.0377e-02 1.2875e-02 -6.0000e+00 3.6792e-02 -6.1932e-03 6.1727e-03 6.3608e-03 -6.0000e+00 2.1952e-02 -1.4163e-03 3.0233e-03 1.8079e-03 -6.0000e+00 9.3373e-03 1.0395e-03 -1.9735e-04 2.0137e-04 1.9750e-05 -6.0000e+00 6.4224e-04 -4.2763e-03 2.0227e-05 12 9 9 12 1 1 999.00 22.73 0.16 -0.00428 -0.00576 1 5 1 5 0 2240.390 26.32 20.01 22.73 24.08 27.9 1007.41 6142 -2813 -6103 -5732 5823 -8429 7878 1962 -3862 10172 -11221 -1878 -5692 -1273 1005 1494 267 -1151 831 3201 -535 -1615 -39 -184 97 1639 -563 2063 -2291 851 -122 722 1660 -2780 258 -5228 -1366 -2444 4262 -621 -1724 -2505 1779 762 590 562 -1860 1486 1262 -1483 1825 1018 541 1396 -1163 1793 2474 2870 -2691 -1404 -18 2411 1387 1739 30 -486 315 -605 -406 -389 763 133 742 537 757 1603 -209 -2418 -1736 -1047 -2521 -455 -3151 -1886 251 -362 1520 -124 1171 595 1186 -139 -2313 -872 -1737 -190 544 1467 98 -618 -650 -628 -230 -559 -720 -1638 -877 -1006 539 938 929 835 268 1138 -701 -522 -506 -242 1188 525 829 909 692 158 233 -91 -1358 915 -96 95 -30 -46 -285 -139 172 -476 573 710 -421 -199 157 -900 -481 694 -392 -918 -830 666 -1017 825 242 -570 1403 -1914 -289 -994 -244 217 358 68 -309 228 885 -158 -478 -11 -56 31 545 -194 658 -705 244 -37 233 575 -1062 91 -1834 -488 -1017 1810 -328 -1021 -1574 1104 485 374 357 -1191 895 744 -892 1107 668 378 1020 -827 1262 1764 2038 -1978 -1005 -13 1810 1146 1536 28 -413 243 -452 -317 -344 737 126 699 531 700 1322 -171 -1902 -1394 -858 -2366 -463 -3261 -2015 280 -436 1768 -152 1421 704 1392 -150 -2327 -897 -1890 -207 654 1802 130 -819 -808 -771 -265 -662 -927 -2098 -1165 -1399 774 1335 1397 1274 397 1663 -954 -665 -687 -318 1651 785 1266 1370 1017 224 313 -126 -1800 1187 -134 132 -43 -69 -436 -221 271 -790 965 1222 -737 -339 257 -1428 -744